OBJECTIVES: To describe the frequency and the clinical and laboratory characteristics of relapsing acute pancreatitis (AP) associated with gluten enteropathy (GE).

PATIENTS AND METHODS: We prospectively examined all acute pancreatitis cases admitted to our Department in 2006. We recorded a total of 185 patients. With recurring forms, 40 (22%) in all, we used a clinical-lab protocol including serologic and genetic markers, and duodenal biopsy to rule out GE.

RESULTS: A total of 34 patients (18%) met clinical-biological criteria for GE (group1), and were compared to the remaining non-GE AP cases (n=161) (group2). Mean age in the GE group was 54 +/- 25 years, slightly younger than group 2 (61 +/- 14) (NS). There was a mild predominance of women (50%) in group 1 versus group 2 (38.5%) (NS). Seven patients in group 1 (20%) had severe AP, as compared to 27 (17%) in group 2 (NS). The presence of cholelithiasis in group 1 involved 6 cases (18%), which was significantly lower than in group 2--72 cases (45%) (p<0.05). Four patients with GE developed pseudocysts (12%) versus 13 (8%) in group 2 (NS). Tissue transglutaminase (tTG) was elevated only in 3 patients (9%). Nine patients (34%) were DQ2 (+) and 4 (12%) DQ8 (+); the rest (54%) were all negative for both markers. From an endoscopic perspective there was diffuse duodenitis in 32 patients (95%). Duodenal biopsies revealed villous atrophy (Marsh 3) in 2 patients (6%); submucosal inflammatory infiltration (Marsh 2) in 10 (29.4%); increased intraepithelial lymphocytes (Marsh 1) in 8 cases (23.5%), and normal mucosa (Marsh 0) in 14 patients (41.2%). Response to GFD after 1 year was excellent in 30 patients (88%).

CONCLUSIONS: Relapsing AP with GE represents a relatively common association that is indistinguishable from other APs from a clinical-evolutive standpoint, except for a lower presence of cholelithiasis (p<0.05). A specific diagnostic protocol is much needed in the identification of these patients since GFD is the only effective therapy to prevent new AP events from developing.

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